CN116101870A - Traction machine - Google Patents
Traction machine Download PDFInfo
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- CN116101870A CN116101870A CN202310137268.9A CN202310137268A CN116101870A CN 116101870 A CN116101870 A CN 116101870A CN 202310137268 A CN202310137268 A CN 202310137268A CN 116101870 A CN116101870 A CN 116101870A
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- traction
- bearing
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- 238000009434 installation Methods 0.000 claims abstract description 72
- 230000000712 assembly Effects 0.000 claims description 11
- 238000000429 assembly Methods 0.000 claims description 11
- 230000008878 coupling Effects 0.000 claims description 9
- 238000010168 coupling process Methods 0.000 claims description 9
- 238000005859 coupling reaction Methods 0.000 claims description 9
- 230000004323 axial length Effects 0.000 abstract description 9
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 238000012423 maintenance Methods 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B11/00—Main component parts of lifts in, or associated with, buildings or other structures
- B66B11/04—Driving gear ; Details thereof, e.g. seals
- B66B11/043—Driving gear ; Details thereof, e.g. seals actuated by rotating motor; Details, e.g. ventilation
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B11/00—Main component parts of lifts in, or associated with, buildings or other structures
- B66B11/001—Arrangement of controller, e.g. location
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
- B66B5/0006—Monitoring devices or performance analysers
- B66B5/0018—Devices monitoring the operating condition of the elevator system
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K11/00—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
- H02K11/20—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection for measuring, monitoring, testing, protecting or switching
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K11/00—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
- H02K11/20—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection for measuring, monitoring, testing, protecting or switching
- H02K11/21—Devices for sensing speed or position, or actuated thereby
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/14—Structural association with mechanical loads, e.g. with hand-held machine tools or fans
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Civil Engineering (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Cage And Drive Apparatuses For Elevators (AREA)
Abstract
The invention relates to the field of elevators, in particular to a traction machine. The device comprises a machine base, wherein the machine base is provided with a machine base body and a mounting part arranged on the machine base body, and a mounting space is formed in the mounting part; a traction wheel is connected to the end part of the rotor in the axial direction of the base; the encoder is installed in the installation space, the encoder is provided with a rotating part, the rotating part is connected with the rotor, and in the axial direction of the machine base, one end of the installation space, which is far away from the traction sheave, is opened to form a disassembly and assembly opening allowing the encoder to pass through, so that the encoder is disassembled and assembled from the distance from the installation space to the far end of the traction sheave. The invention is more convenient for dismounting the encoder, has small axial length and thickness of the traction machine, and is beneficial to the installation and use of the traction machine in an elevator with a machine room, a small machine room or a machine room.
Description
Technical Field
The invention relates to the field of elevators, in particular to a traction machine.
Background
In the related art, a traction machine is a power device of an elevator, and has the functions of conveying and transmitting power to enable the elevator to run, and a traction wheel of the traction machine rotates to drive a lift car of the elevator to reciprocate up and down along a guide rail in a well, so that the conveying work of the elevator is completed. However, the encoder and the machine base of the existing traction machine are sequentially arranged along the axial direction of the traction machine, so that the axial length dimension of the traction machine is long, the thickness dimension of the traction machine is large, the assembly space of the traction machine is large, and the installation and the use of the traction machine in an elevator with a machine room, a small machine room or a machine room are not facilitated.
Disclosure of Invention
An object of the present invention is to provide a traction machine which has a small axial length and a small thickness, and is advantageous for installation and use in elevators with a machine room, a small machine room or no machine room.
The object of the present invention is thus achieved.
Traction machine, comprising:
the machine seat is provided with a machine seat body and an installation part arranged on the machine seat body, and an installation space is formed in the installation part;
the stator is arranged on the base;
the rotor is rotatably sleeved outside the mounting part, and the end part of the rotor is connected with a traction wheel in the axial direction of the base;
the encoder is installed in the installation space, the encoder is provided with a rotating part, the rotating part is connected with the rotor, and in the axial direction of the machine base, one end of the installation space, which is far away from the traction sheave, is opened to form a disassembly and assembly opening allowing the encoder to pass through, so that the encoder is disassembled and assembled from the distance from the installation space to the far end of the traction sheave.
According to the traction machine disclosed by the invention, the encoder is arranged in the installation space, so that compared with the prior art, the axial length dimension of the traction machine can be reduced, the thickness dimension of the traction machine is reduced, the assembly space of the traction machine is reduced, and the traction machine is beneficial to being installed and used in an elevator with a machine room, a small machine room or a machine room. And when the traction sheave is assembled towards the mounting wall, the encoder is disassembled and assembled from the disassembly opening, so that the encoder is disassembled and assembled from the far end of the traction sheave in the mounting space, and the disassembly and assembly of the encoder are facilitated.
The above technical solution can be further perfected as follows.
In some examples of the present invention, the traction machine further includes: a connection assembly, the connection assembly comprising: the first connecting piece is used for being connected with the rotor, the second connecting piece is used for being connected with the rotating part, and the first connecting piece is detachably connected with the second connecting piece.
In some examples of the invention, the first connection is located at an end of the machine frame near the traction sheave in an axial direction of the machine frame, and the second connection is located at least partially within the installation space.
In some examples of the invention, the encoder is integrally received in the mounting space but is fixed to the mounting space adjacent to the attachment/detachment port or a portion of the encoder extends from the attachment/detachment port.
In some examples of the invention, the second connector extends in an axial direction of the housing within the mounting space.
In some examples of the present invention, the encoder has a fixing member exposed from the mounting/dismounting port and for fixing with an inner wall of the mounting space, and the traction machine further includes a detachable screw member for fixing the encoder with the second coupling member, an operation end of the detachable screw member being located at an end of the encoder remote from the first coupling member, so that the encoder is dismounted at the second end of the machine base by operating the detachable screw member and the fixing member.
In some examples of the invention, the installation space includes: the first space is located one end of the installation portion, the encoder is fixed in the second space and is far away from the position in the first space, the second connecting piece extends from the first space to the second space, and at least one group of first bearing assemblies are arranged between the second connecting piece and the inner wall of the second space.
In some examples of the invention, at least one set of second bearing assemblies is disposed between the rotor and the mounting portion, the first connector being configured as a bearing cap for covering the second bearing assemblies.
In some examples of the invention, the second bearing assembly includes: the front bearing is closer to the first connecting piece than the rear bearing, the front bearing comprises a self-aligning roller bearing or a cylindrical roller bearing, and the rear bearing comprises a cylindrical roller bearing or a deep groove ball bearing.
In some examples of the invention, the rotor includes: the outer ring part, go-between part and inner ring part, the inner ring part cover is in outside the installation department and with set up between the installation department the second bearing subassembly, go-between part is used for connecting inner ring part with outer ring part, outer ring part stretches into in the frame, the inner perisporium of outer ring part is provided with the magnetic part, the radial inboard of magnetic part be provided with on the frame the stator.
The invention is more convenient for dismounting the encoder, has small axial length and thickness of the traction machine, and is beneficial to the installation and use of the traction machine in an elevator with a machine room, a small machine room or a machine room.
Drawings
Fig. 1 is a side view of a traction machine according to an embodiment of the present invention;
fig. 2 is a front view of the traction machine according to the embodiment of the present invention;
FIG. 3 is an enlarged cross-sectional view taken at A-A of FIG. 2;
fig. 4 is an exploded view of the traction machine according to the embodiment of the present invention;
fig. 5 is a schematic view of a second coupling member of the traction machine according to the embodiment of the present invention;
reference numerals:
a traction machine 100;
a stand 10; a housing body 11; a mounting portion 12; a mounting space 13; a first space 131; a second space 132; a first end 14; a second end 15; a detachable port 16;
a stator 20;
a rotor 30; an outer ring portion 31; a connection ring portion 32; an inner ring portion 33; a magnetic member 34;
an encoder 40; a rotating portion 41; an encoder housing 42;
a connection assembly 50;
a first connection member 51; a through hole 511; a first connection portion 512; through space 513; a through-hole peripheral wall 514; a first connection hole 515;
a second connector 52; a second connection portion 521; a connector body 522; a second connection hole 523;
a removable screw 60;
a first bearing assembly 70; a first bearing 71; a second bearing 72;
a second bearing assembly 80; a front bearing 81; a rear bearing 82;
Description of the embodiments
Embodiments of the present invention are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the invention.
The following describes a traction machine 100 according to an embodiment of the present invention with reference to fig. 1 to 5, the traction machine 100 is a power device of an elevator, and when the traction machine 100 is in operation, a traction sheave 90 of the traction machine 100 rotates to drive a wire rope to drive a car of the elevator to reciprocate up and down along guide rails in a hoistway, thereby completing the transportation work of the elevator. The hoisting machine 100 can be used in a machine room, a small machine room, or a machine room-less elevator, and the present application describes an example in which the hoisting machine 100 is used in a machine room-less elevator. The machine room space can be omitted for the machine room-less elevator, and the smaller and better the hoistway space is required under the condition that the riding space is ensured to be unchanged, the smaller and better the installation and maintenance space of the traction machine 100 is required.
As shown in fig. 3, the traction machine 100 according to the embodiment of the present invention includes: a housing 10, a stator 20, a rotor 30 and an encoder 40. The machine base 10 has a machine base body 11 and a mounting portion 12 provided in the machine base body 11, and the mounting portion 12 has a mounting space 13 therein, and it is also understood that the mounting space 13 is defined by the mounting portion 12, and the mounting space 13 may be disposed to extend in an axial direction of the traction machine 100, and that the axial direction of the traction machine 100 refers to a left-right direction in fig. 3 when the traction machine 100 is placed in the direction of fig. 3. The stator 20 is disposed on the stand 10, and further, the stator 20 is fixedly disposed on the stand 10, the stator 20 can be mounted on the stand 10 by bolts or screws, and the stator 20 can also be mounted on the stand 10 in a clamping manner. The rotor 30 is rotatably sleeved on the outer side of the mounting portion 12, in the axial direction of the machine base 10, the end portion of the rotor 30 is connected with the traction sheave 90, the traction sheave 90 is assembled towards the mounting wall, the stator 20 is located between the rotor 30 and the machine base 10, and the thickness dimension of the traction machine 100 is reduced on the premise that rated power is unchanged by arranging the rotor 30 on the outer side of the stator 20.
The encoder 40 is mounted in the mounting space 13, the encoder 40 is fixedly mounted in the mounting space 13, the encoder 40 has a rotation portion 41, the rotation portion 41 may be a rotation shaft of the encoder 40, and the rotation portion 41 is connected to the rotor 30. The rotor 30 may be connected with a traction sheave 90, and when the rotor 30 rotates, the traction sheave 90 may be driven to rotate, and the encoder 40 is used for measuring the rotation angle of the traction sheave 90, so as to calculate the position of the elevator car in the hoistway.
When the traction sheave 90 is installed in an elevator, a driving rope (such as a steel wire rope) can be sleeved on the outer side of the traction sheave 90, and when the traction machine 100 is operated by current, the rotor 30 of the traction machine 100 drives the traction sheave 90 to rotate, the traction sheave 90 rotates to drive the driving rope to rotate together, and the driving rope drags an elevator car to move up and down.
The encoder and the machine base of the existing traction machine are sequentially arranged along the axial direction of the traction machine, the encoder is arranged outside the machine base, the axial length dimension of the traction machine is long, the thickness dimension of the traction machine is large, the assembly space of the traction machine is large, and the installation and maintenance space of the traction machine is large when the traction machine is installed and used in a machine-room-less elevator.
In this application, through install encoder 40 in installation space 13, compare with prior art, can reduce the axial length size of hauler 100, reduce hauler 100 thickness dimension, hauler 100 assembly space reduces, be favorable to hauler 100 to install in having computer lab, little computer lab or no computer lab elevator and use, hauler 100 installs when using in no computer lab elevator, installation and maintenance space of hauler 100 is little to, establish in the outside of installation department 12 through rotor 30 cover, further be favorable to reducing the thickness dimension of hauler 100.
As shown in fig. 3, 4 and 5, an end of the installation space 13, which is remote from the traction sheave 90, is opened in the axial direction of the machine base 10 to form a mounting/dismounting port 16 allowing the encoder 40 to pass therethrough, so that the encoder 40 can be mounted/dismounted from the distal end of the installation space 13, which is remote from the traction sheave 90, through the mounting/dismounting port 16. When the traction machine 100 is placed in the direction of fig. 3, the end of the installation space 13 away from the traction sheave 90 is the right end of the machine base 10, and the right end of the installation space 13 forms the mounting/dismounting opening 16, as shown in fig. 3. The encoder 40 is mounted in the mounting space 13 from the mounting/dismounting port 16, and the encoder 40 is dismounted from the mounting space 13 from the mounting/dismounting port 16, and the encoder 40 can be disposed at the rear end (i.e., the right end in fig. 3) of the hoisting machine 100, thereby realizing the rear-mounting of the encoder 40. When the traction sheave 90 of the traction machine 100 is mounted toward the mounting wall, the encoder 40 is mounted and dismounted from the distal end of the traction sheave 90 from the mounting space 13, and the encoder 40 is mounted and dismounted from the rear side of the machine frame 10, thereby facilitating the mounting and dismounting of the encoder 40.
In some embodiments of the present invention, as shown in fig. 2, 3, 5, the traction machine 100 may further include: the connection assembly 50, the connection assembly 50 may include: the first connecting piece 51 and the second connecting piece 52, first connecting piece 51 are used for connecting the rotor 30, first connecting piece 51 and rotor 30 fixed connection, and rotor 30 can drive first connecting piece 51 to rotate. The second connection member 52 is used to connect the rotating portion 41, and the second connection member 52 may be detachably connected to the rotating portion 41, for example: the second connection member 52 is connected to the rotation portion 41 by a bolt or a screw, and the first connection member 51 and the second connection member 52 are detachably connected, for example: the second connection member 52 is connected to the first connection member 51 by bolts or screws. After the encoder 40 is installed in the installation space 13, the first connecting member 51 and the second connecting member 52 are fixedly connected to achieve the effect of connecting the rotating portion 41 and the rotor 30, and when the rotor 30 rotates, the encoder 40 can measure the rotation angle of the traction sheave 90. When the encoder 40 needs to be replaced or repaired, the encoder 40 can be taken out of the installation space 13 by detaching the first and second connection members 51 and 52. Therefore, by arranging the connecting assembly 50, the encoder 40 is convenient to install and take out from the installation space 13, so that the encoder 40 is convenient to disassemble and assemble, and the encoder 40 is convenient to replace and maintain in a limited hoistway space.
In some embodiments of the present invention, as shown in fig. 3, the first coupling member 51 is located at an end of the machine frame 10 near the traction sheave 90 in the axial direction of the machine frame 10, in other words, the first coupling member 51 is located at the first end 14 of the machine frame 10 in the axial direction of the machine frame 10, and when the traction machine 100 is placed in the direction of fig. 3, the first end 14 of the machine frame 10 refers to the left end of the machine frame 10. The second connecting member 52 is at least partially located in the installation space 13, that is, the second connecting member 52 may be partially located in the installation space 13, or the whole structures of the second connecting members 52 are located in the installation space 13, and the specific arrangement form is reasonably selected according to the actual use situation. The present application will be described taking the example in which the entire structure of the second connecting member 52 is located in the installation space 13. Wherein if the second coupling 52 is disposed outside the installation space 13, the axial length dimension of the traction machine 100 is increased, increasing the thickness dimension of the traction machine 100. In this application, by disposing the second connecting piece 52 at least partially within the installation space 13, it is advantageous to reduce the axial length dimension of the traction machine 100, thereby advantageously reducing the thickness dimension of the traction machine 100, and thus advantageously reducing the installation and maintenance space of the traction machine 100.
In some embodiments of the present invention, as shown in fig. 3, 4 and 5, the encoder 40 can be removed from the second end 15 of the housing 10 opposite the first end 14 through the removal opening 16. When the traction machine 100 is placed in the direction of fig. 3, the first end 14 of the machine base 10 is the left end of the machine base 10, the second end 15 of the machine base 10 is the right end of the machine base 10, the end of the installation space 13 far from the first connecting piece 51 is the right end of the installation space 13, and the right end of the installation space 13 forms the dismounting opening 16. The encoder 40 is installed in the installation space 13 from the second end 15 of the machine frame 10, and the encoder 40 is removed from the installation space 13 from the second end 15 of the machine frame 10, and in this embodiment, the encoder 40 is disposed at the rear end (i.e., the right end in fig. 3) of the traction machine 100, realizing the rear-mounting of the encoder 40. The rear structure of the encoder 40 is more advantageous for the disassembly and assembly of the encoder 40 when the traction sheave 90 of the traction machine 100 is installed facing a wall.
In some embodiments of the present invention, as shown in fig. 3, 4 and 5, the second connection member 52 extends in the axial direction of the housing 10 in the installation space 13, and the encoder 40 is integrally received in the installation space 13 but is adjacent to the mounting/dismounting port 16 or a part of the encoder 40 is fixed to the installation space 13 and another part extends from the mounting/dismounting port 16, it may be understood that the encoder 40 is integrally received in the installation space 13 but is disposed adjacent to the mounting/dismounting port 16, or a part of the structure of the encoder 40 is fixed in the installation space 13 and another part of the structure of the encoder 40 extends from the mounting/dismounting port 16. The encoder 40 is disposed at one end of the installation space 13 far away from the first connecting member 51, and extends in the axial direction of the base 10 in the installation space 13 through the second connecting member 52, so that the second connecting member 52 is connected with the rotating portion 41 of the encoder 40, and the arrangement mode of the second connecting member 52 is reasonable.
In some embodiments of the present invention, as shown in fig. 3 and 4, the encoder 40 has a fixing member exposed from the mounting/dismounting port 16 for fixing with the inner wall of the mounting space 13, and further, the fixing member may be fixedly mounted on the encoder housing 42, the fixing member may be a tensioning mechanism, and the fixing member may be an expansion bolt. The encoder 40 is fixedly installed on the inner wall of the installation space 13 through the fixing component, and when the encoder 40 is disassembled, the expansion bolts are unscrewed or unscrewed to enable the fixing component and the inner wall of the installation space 13 to be loosened, so that the encoder 40 can be disassembled from the disassembly opening 16.
As shown in fig. 4, the traction machine 100 may further include a detachable screw member 60 for fixing the encoder 40 with the second coupling member 52, and the detachable screw member 60 may be a bolt or a screw. The operative end of the removable screw 60 is located at the end of the encoder 40 remote from the first connector 51, such that the encoder 40 is removed by operating the removable screw 60 and the securing assembly at the second end 15 of the housing 10. The second connecting member 52 may be provided with a threaded hole, when the encoder 40 is assembled to the housing 10, the encoder 40 is installed in the installation space 13 from the assembling and disassembling port 16, the encoder 40 is fixedly installed on the inner wall of the installation space 13 by operating the fixing component, the detachable screw member 60 is operated to penetrate through the encoder 40 and be installed in the threaded hole, and the encoder 40 and the second connecting member 52 are fixedly assembled, thereby completing the installation of the encoder 40. When the encoder 40 is disassembled, the detachable screw 60 is unscrewed, the fixing assembly is operated, the expansion bolt is unscrewed or unscrewed, the fixing assembly is loosened from the inner wall of the installation space 13, the encoder 40 can be disassembled from the disassembly opening 16, and the disassembly of the encoder 40 can be completed.
In some embodiments of the present invention, as shown in fig. 3, the installation space 13 includes: the first space 131 and the second space 132, the first space 131 is located at one end of the mounting portion 12, as shown in fig. 3, the first space 131 and the second space 132 are communicated, the first space 131 is disposed near the first end 14 of the stand 10, and the second space 132 is located at a side of the first space 131 away from the first end 14 of the stand 10. The encoder 40 is fixed at a position of the second space 132 far from the first space 131, the second connecting member 52 extends from the first space 131 to the second space 132, and at least one set of first bearing assemblies 70 is disposed between the second connecting member 52 and the inner wall of the second space 132, which is exemplified by a set of first bearing assemblies 70 disposed between the second connecting member 52 and the inner wall of the second space 132. Further, each group of first bearing assemblies 70 comprises a first bearing 71 and a second bearing 72, the first bearing 71 and the second bearing 72 are sleeved on the outer surface of the second connecting piece 52, the inner ring of the first bearing 71 and the inner ring of the second bearing 72 are fixedly connected with the second connecting piece 52, the outer ring of the first bearing 71 and the outer ring of the second bearing 72 are fixedly connected with the inner wall of the installation space 13, the effect that the second connecting piece 52 can rotate relative to the machine base 10 is achieved, when the traction machine 100 works, the rotation of the rotor 30 is guaranteed, the rotation of the second connecting piece 52 can be driven, and the stable transmission of the rotation of the rotor 30 to the encoder 40 is achieved.
In some embodiments of the present invention, as shown in fig. 3, at least one set of second bearing assemblies 80 may be disposed between the rotor 30 and the mounting portion 12, and a set of first bearing assemblies 70 are illustrated herein as being disposed between the second connector 52 and the inner wall of the second space 132. By providing the second bearing assembly 80 between the rotor 30 and the mounting portion 12, a smooth rotation of the rotor 30 relative to the housing 10 is ensured. The first connecting member 51 is configured as a bearing cover for covering the second bearing assembly 80, and the bearing cover can cover the second bearing assembly 80, prevent the second bearing assembly 80 from falling off the housing 10, and also protect the second bearing assembly 80.
Further, as shown in fig. 3, the second bearing assembly 80 may include: the front bearing 81 and the rear bearing 82, the front bearing 81 being closer to the first link 51 than the rear bearing 82, it is also understood that the front bearing 81 is disposed closer to the front end of the mounting portion 12 and the rear bearing 82 is disposed closer to the rear end of the mounting portion 12 in the axial direction of the hoist 100. The inner ring of the front bearing 81 and the inner ring of the rear bearing 82 are fixedly connected with the mounting part 12, and the outer ring of the front bearing 81 and the outer ring of the rear bearing 82 are fixedly connected with the rotor 30, so that the rotor 30 can rotate more stably relative to the machine base 10. The front bearing 81 includes a self-aligning roller bearing or a cylindrical roller bearing, and the rear bearing 82 includes a cylindrical roller bearing or a deep groove ball bearing, so that the bearing capacity of the front bearing 81 and the rear bearing 82 can be improved to smoothly rotate the rotor 30.
In some embodiments of the present invention, as shown in fig. 3, the rotor 30 may include: the outer ring part 31, the connecting ring part 32 and the inner ring part 33, the inner ring part 33 is sleeved outside the mounting part 12 and is provided with a second bearing assembly 80 between the mounting part 12, the connecting ring part 32 is used for connecting the inner ring part 33 and the outer ring part 31, the outer ring part 31 stretches into the machine base 10, the inner peripheral wall of the outer ring part 31 is provided with the magnetic piece 34, the machine base 10 on the radial inner side of the magnetic piece 34 is provided with the stator 20, and the stator 20 is arranged opposite to the magnetic piece 34. The magnetic member 34 may be a permanent magnet, for example, the magnetic member 34 is an electromagnet, the stator 20 may be wound with a symmetrical three-phase ac coil, when a variable frequency three-phase ac is supplied into the three-phase ac coil, a three-phase symmetrical rotating magnetic field is generated, and a magnetic field is generated between the rotor 30 and the stator 20, so that the rotor 30 rotates, and the rotation is stably transmitted to the rotating portion 41 of the encoder 40 when the rotor 30 rotates.
The encoder 40 of the present application is mounted at the rear end of the hoisting machine 100, so that the existing hoistway space is fully utilized for replacement and maintenance of the encoder 40. When the machine seat is required to be installed facing the wall surface, the second connecting piece 52 can be simply replaced, so that the encoder 40 is installed at the front end of the traction machine 100, the encoder 40 is convenient to replace and maintain, the purpose that the front/rear encoder can be realized by only replacing part parts is achieved, the structure and the connection relation of other parts are not required to be redesigned and adjusted, the production and manufacturing cost is reduced, and the production and installation efficiency is improved.
In the description of the present specification, reference to the terms "one embodiment," "some embodiments," "illustrative embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: many changes, modifications, substitutions and variations may be made to the embodiments without departing from the spirit and principles of the invention, the scope of which is defined by the claims and their equivalents.
Claims (10)
1. A traction machine, characterized by comprising:
the machine seat is provided with a machine seat body and an installation part arranged on the machine seat body, and an installation space is formed in the installation part;
the stator is arranged on the base;
the rotor is rotatably sleeved outside the mounting part, and the end part of the rotor is connected with a traction wheel in the axial direction of the base;
the encoder is installed in the installation space, the encoder is provided with a rotating part, the rotating part is connected with the rotor, and in the axial direction of the machine base, one end of the installation space, which is far away from the traction sheave, is opened to form a disassembly and assembly opening allowing the encoder to pass through, so that the encoder is disassembled and assembled from the distance from the installation space to the far end of the traction sheave.
2. The traction machine as recited in claim 1, further comprising: a connection assembly, the connection assembly comprising: the first connecting piece is used for being connected with the rotor, the second connecting piece is used for being connected with the rotating part, and the first connecting piece is detachably connected with the second connecting piece.
3. The hoisting machine of claim 2, wherein the first connecting member is located at an end of the machine frame near the traction sheave in an axial direction of the machine frame, and the second connecting member is located at least partially in the installation space.
4. The hoisting machine of claim 2 wherein the encoder is integrally received in the mounting space but is secured to the mounting space adjacent to the mounting/dismounting port or a portion of the encoder extends from the mounting/dismounting port.
5. The traction machine as recited in claim 4, wherein the second connection member extends in an axial direction of the machine frame within the installation space.
6. The traction machine as claimed in claim 2, wherein the encoder has a fixing assembly exposed from the dismounting port and for fixing with an inner wall of the installation space, the traction machine further comprising a detachable screw for fixing the encoder with the second coupling member, an operation end of the detachable screw being located at an end of the encoder remote from the first coupling member, so that the encoder is dismounted at the second end of the machine frame by operating the detachable screw and the fixing assembly.
7. The traction machine as claimed in claim 5, wherein the installation space includes: the first space is located one end of the installation portion, the encoder is fixed in the second space and is far away from the position in the first space, the second connecting piece extends from the first space to the second space, and at least one group of first bearing assemblies are arranged between the second connecting piece and the inner wall of the second space.
8. The machine according to claim 2, wherein at least one set of second bearing assemblies is provided between the rotor and the mounting portion, the first connection being configured as a bearing cap for covering the second bearing assemblies.
9. The machine according to claim 8, wherein the second bearing assembly includes: the front bearing is closer to the first connecting piece than the rear bearing, the front bearing comprises a self-aligning roller bearing or a cylindrical roller bearing, and the rear bearing comprises a cylindrical roller bearing or a deep groove ball bearing.
10. The traction machine as recited in claim 8, wherein the rotor includes: the outer ring part, go-between part and inner ring part, the inner ring part cover is in outside the installation department and with set up between the installation department the second bearing subassembly, go-between part is used for connecting inner ring part with outer ring part, outer ring part stretches into in the frame, the inner perisporium of outer ring part is provided with the magnetic part, the radial inboard of magnetic part be provided with on the frame the stator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310137268.9A CN116101870A (en) | 2023-02-17 | 2023-02-17 | Traction machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310137268.9A CN116101870A (en) | 2023-02-17 | 2023-02-17 | Traction machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116101870A true CN116101870A (en) | 2023-05-12 |
Family
ID=86267145
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310137268.9A Pending CN116101870A (en) | 2023-02-17 | 2023-02-17 | Traction machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116101870A (en) |
-
2023
- 2023-02-17 CN CN202310137268.9A patent/CN116101870A/en active Pending
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